Тĕллĕх
Тĕллĕх, е тĕрĕслĕх шайĕ — капăн виçсе пĕлнĕ пĕлтерĕшĕ чăн пĕлтерĕше мĕн чухлĕ çывăх пулнине палăртни.

Каçăсем

BIPM - Guides in metrology, Guide to the Expression of Uncertainty in Measurement (GUM) and International Vocabulary of Metrology (VIM)
"Beyond NIST Traceability: What really creates accuracy", Controlled Environments magazine
Precision and Accuracy with Three Psychophysical Methods
Appendix D.1: Terminology, Guidelines for Evaluating and Expressing the Uncertainty of NIST Measurement Results
Accuracy and Precision
Accuracy vs Precision — a brief video by Matt Parker
What's the difference between accuracy and precision? by Matt Anticole at TED-Ed
Precision and Accuracy exam study guide 

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